Mental stress detection using cardiorespiratory wavelet cross-bispectrum

Kontaxis, Spyridon ; Lázaro, Jesús (Universidad de Zaragoza) ; Hernando, Alberto ; Arza, Adriana ; Garzon, Jorge Mario ; Gil, Eduardo (Universidad de Zaragoza) ; Laguna, Pablo (Universidad de Zaragoza) ; Aguiló, Jordi ; Bailón, Raquel (Universidad de Zaragoza)

Resumen: In this work quadratic phase coupling between respiration and heart rate variability (HRV) has been studied during emotional and mental stress using wavelet crossbispectrum (WCB). A total of 80 healthy volunteers subjected to a standard stress protocol have been analyzed. Some features derived from the WCB, such as the frequencies at which the maximum peak is located, the distribution of the dominant peaks and the phase entropy have shown statistical significant differences between stress and relax stages. A support vector machine classifier based on these features discriminates stress stages from relax ones with an accuracy ranging from 68 to 89%, suggesting that the interactions between respiration and HRV are altered during stress and may be used to assess it.

Idioma: Inglés

Año: 2016

Publicado en: Computing in Cardiology 43 (2016), 725-728
ISSN: 2325-8861

Originalmente disponible en: Texto completo de la revista

Financiación: info:eu-repo/grantAgreement/ES/DGA/Grupo Consolidado BSICoS
Financiación: info:eu-repo/grantAgreement/ES/FIS/PI12-00514
Financiación: info:eu-repo/grantAgreement/ES/MINECO/TIN2014-5356-R
Financiación: info:eu-repo/grantAgreement/ES/UZ/UZ2014-TEC-01

Tipo y forma: Article (Published version)

Área (Departamento): Área Ingen.Sistemas y Automát. (Dpto. Informát.Ingenie.Sistms.)
Área (Departamento): Área Teoría Señal y Comunicac. (Dpto. Ingeniería Electrón.Com.)